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4.6.1 - Separation Efficiency

For describing separation, one defines a degree of separating efficiency E as the relation per unit time of the quantity of particles caught by the filter to the quantity of particles flowing into the filter during that time.


Formula 4.6.1.1


Formula 4.6.1.2

This expression is wrongly described as degree of effectiveness of a filter. But degree of effectiveness is really the relation of benefit to resources employed and does not, therefore, apply to filtration.